Klaus Lüttich. Approximation of Ontologies in CASL. In Brandon Bennett, Christiane Fellbaum, editors, Formal Ontology in Information Systems, Proceedings of the Fourth International Conference, FOIS 2006, Baltimore, Maryland, USA, November 9-11, 2006. Volume 150 of Frontiers in Artificial Intelligence and Applications, pages 335-346, IOS Press, 2006.
Abstract is missing.